CVE-2022-32607 in Android
Summary
by MITRE • 11/09/2022
In aee, there is a possible use after free due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07202891; Issue ID: ALPS07202891.
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Analysis
by VulDB Data Team • 05/30/2026
The vulnerability identified as CVE-2022-32607 resides within the aee component of an Android-based system, representing a critical use after free condition that stems from inadequate bounds checking mechanisms. This flaw manifests in the improper handling of memory allocations where freed memory blocks are subsequently accessed without proper validation, creating a potential pathway for malicious exploitation. The vulnerability is particularly concerning as it can be leveraged for local privilege escalation, requiring only system execution privileges to achieve elevated access levels. The absence of user interaction requirements for exploitation makes this vulnerability especially dangerous in environments where untrusted code execution is possible, as attackers can trigger the condition autonomously without relying on social engineering or additional attack vectors.
The technical implementation of this vulnerability follows a classic use after free pattern where memory management routines fail to properly track the lifecycle of allocated memory blocks. When the aee component processes certain input data structures, it performs operations that result in memory deallocation without subsequent validation of whether the freed memory is accessed again. This missing bounds check creates a window of opportunity where an attacker can manipulate the system state to cause the freed memory to be reallocated for malicious purposes. The vulnerability's classification aligns with CWE-416, which specifically addresses use after free conditions in memory management, and it represents a direct violation of proper memory lifecycle management principles. The underlying issue stems from insufficient input validation and memory pointer management within the aee subsystem.
From an operational impact perspective, this vulnerability enables local privilege escalation attacks that can potentially allow an attacker to gain system-level privileges without requiring user interaction. The exploitation process leverages the use after free condition to execute arbitrary code with elevated privileges, effectively bypassing standard security boundaries that normally protect system integrity. This capability can be particularly devastating in mobile environments where the aee component typically handles system-level operations and security-critical functions. The patch ID ALPS07202891 indicates that this vulnerability was addressed through a specific system update that corrected the memory management routines and implemented proper bounds checking mechanisms. Organizations deploying affected systems must prioritize immediate patch deployment to prevent potential exploitation by malicious actors who could leverage this condition to establish persistent access to critical system resources.
The mitigation strategy for CVE-2022-32607 requires immediate implementation of the vendor-provided patch ALPS07202891, which addresses the root cause through enhanced memory management controls and bounds checking validation. System administrators should conduct comprehensive vulnerability assessments to identify all affected devices and ensure complete patch deployment across all system instances. The vulnerability's characteristics align with ATT&CK technique T1068, which covers local privilege escalation through system binary manipulation, making it a high-priority target for defensive measures. Additionally, organizations should implement monitoring solutions that can detect anomalous memory access patterns that might indicate exploitation attempts, while also ensuring that the patched systems maintain proper memory integrity checks. The vulnerability's resolution through a targeted patch demonstrates the importance of maintaining up-to-date security controls and the critical need for continuous vulnerability management programs that can quickly respond to emerging threats in mobile and embedded systems environments.